Home / 179,539.20-269,311.14-86,023.08

Finding the Fourth Proportional to 179,539.20, 269,311.14 and 86,023.08

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Solution

The fourth proportional to 179,539.20, 269,311.14 and 86,023.08 is: 129,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,539.20 : 269,311.14 = 86,023.08 : x
  2. Step 2: Convert to fraction form
    179,539.20/269,311.14 = 86,023.08/x
  3. Step 3: Cross multiply
    179,539.20x = 269,311.14 × 86,023.08
  4. Step 4: Simplify right side
    179,539.20x = 23,166,973,741.11
  5. Step 5: Solve for x
    x = 23,166,973,741.11/179,539.20
  6. Step 6: Final answer
    x = 129,035.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.